DE4001 DEICO Onyx is an I²C bus and SPI bus host adapter which allows to communicate with any I²C or SPI devices via USB. DEICO Onyx is powered directly from the PC’s USB port. DEICO Onyx can be used as a master or slave for I²C and SPI. I²C and SPI pins can also be used as GPIO or combined with I²C or SPI functionality.

The general features of DEICO Onyx are listed below:

• Plug and play with DEICO serial center
• The device is powered by USB
• Master or slave mode
• Asynchronous slave transmit and receive
• I²C interface supports various speeds from 100kHz to 3.4MHz
• I²C interface supports multi-master
• I²C interface internal pull-up resistors
• SPI interface supports various speeds from 200kHz to 25MHz
• SPI interface full duplex transmit and receive
• SPI interface software configurable slave select polarity
• I²C and SPI pins can be used as GPIO or combined with I²C or SPI

Areas of application include:

• EEPROMS
• Flash
• Temperature Sensors
• Accelerometers